Crassula massonii Britten & Baker f. 1897
Publication Notes on Crassula, Journal of Botany ( London) 35 : 485 (1897).
Type : Masson s.n., Afrique du Sud, Cap sans plus de précision, déposé au Natural History Museum (Angleterre) (BM000649351 : holotype ?).
Publication originale (Britten & Baker f. 1897) :
« The following is a description of a species which we do not find in the British Museum, Kew, or Dublin herbaria, and which we believe to be new : —
Crassula Massoni, sp. n. Caulis erectus, simplex, herbaceus, glaber, 8-10 poll, alt., inferne foliis tectus; foliis triangularibus sessilibus connato-vaginantibus, apice acuminatis crassis imbricatis, internodiis longioribus margine ad apicem integris basin versus ciliatis vel subciliatis, circiter 1/3 poll, longis; cymulis in axillis foliorum superiorum breviter pedunculatis vel subsessilibus, spicam interruptam quasi formantibus; sepalis lanceolatis subobtusis ciliatis, 1-1 1/2 lin. longis, petalis multo brevioribus; petalis inferne coalitis, superne in apicem longam et canaliculatam attenuatis; stigmate subsessile.
Hab. Africa australis, Masson !
Root branching. Stem erect, unbranched, 8-10 in. high, about the thickness of a pen, glabrous, ridged for a short distance below middle of each leaf. Leaves closely imbricating below, becoming sparser above when subtending the flowers, sessile, connate, triangular, from a broad clasping base tapering to an acuminate point, in four rows, rather thick, concave, longer than the internodes. Cymules sessile or shortly peduncled in the axils of leafy bracts, somewhat in the same manner as in C. Turrita. Sepals lanceolate, subobtuse, much shorter than the petals, rather thick, 1-1 1/2 lines long, ciliate. Petals much longer than the calyx, tapering above into long narrow subulate channelled points.
In the character of the petals this plant agrees with the section Sphæritis, but the leaves are imbricated loosely, and apparently in four rows, thus approaching the section Pyramidella.
Allied to C. alpestris Thunb. (non Harv.), differing in the character of the inflorescence. »
- massonii : en l’honneur de Francis Masson (1741–1805), horticulteur britannique qui collecta des plantes en Afrique du Sud.
Fiche créée le 05/06/2020.
Type : Masson s.n., Afrique du Sud, Cap sans plus de précision, déposé au Natural History Museum (Angleterre) (BM000649351 : holotype ?).
Synonyme de
Crassula alpestris Thunberg 1778Commentaires
Une sous-espèce plus grande de Crassula alpestris, atteignant 8-25 cm de haut, inflorescence comprise, à feuilles triangulaires de 4-8 mm de long sur 3-7 mm de large, moins serrées, et à dichasia terminal et axillaires arrondis.Publication originale (Britten & Baker f. 1897) :
« The following is a description of a species which we do not find in the British Museum, Kew, or Dublin herbaria, and which we believe to be new : —
Crassula Massoni, sp. n. Caulis erectus, simplex, herbaceus, glaber, 8-10 poll, alt., inferne foliis tectus; foliis triangularibus sessilibus connato-vaginantibus, apice acuminatis crassis imbricatis, internodiis longioribus margine ad apicem integris basin versus ciliatis vel subciliatis, circiter 1/3 poll, longis; cymulis in axillis foliorum superiorum breviter pedunculatis vel subsessilibus, spicam interruptam quasi formantibus; sepalis lanceolatis subobtusis ciliatis, 1-1 1/2 lin. longis, petalis multo brevioribus; petalis inferne coalitis, superne in apicem longam et canaliculatam attenuatis; stigmate subsessile.
Hab. Africa australis, Masson !
Root branching. Stem erect, unbranched, 8-10 in. high, about the thickness of a pen, glabrous, ridged for a short distance below middle of each leaf. Leaves closely imbricating below, becoming sparser above when subtending the flowers, sessile, connate, triangular, from a broad clasping base tapering to an acuminate point, in four rows, rather thick, concave, longer than the internodes. Cymules sessile or shortly peduncled in the axils of leafy bracts, somewhat in the same manner as in C. Turrita. Sepals lanceolate, subobtuse, much shorter than the petals, rather thick, 1-1 1/2 lines long, ciliate. Petals much longer than the calyx, tapering above into long narrow subulate channelled points.
In the character of the petals this plant agrees with the section Sphæritis, but the leaves are imbricated loosely, and apparently in four rows, thus approaching the section Pyramidella.
Allied to C. alpestris Thunb. (non Harv.), differing in the character of the inflorescence. »
Étymologie
- Crassula : du latin crassus, épais, en référence à la succulence de la plupart des espèces du genre.- massonii : en l’honneur de Francis Masson (1741–1805), horticulteur britannique qui collecta des plantes en Afrique du Sud.
Numéros de collecte
Vous pouvez chercher les numéros de collecte pour cette espèce dans :- la base de Ralph Martin : Crassula massonii
- la base de Christophe Ludwig : Crassula massonii
Forum
Vous pouvez faire une recherche sur le forum.Auteur
philippe (contacter l'auteur ou écrire aux admins de l'encyclopédie)Fiche créée le 05/06/2020.
Fiches de botanistes :
Baker, John Gilbert
Fiche du genre :
Crassula (Linné)
Synonymes :
Aucune fiche.
Espèces du même genre :
Crassula 'Alice Herbert'
Crassula 'Bride's Bouquet'
Crassula 'Buddha's Temple'
Crassula 'Celia'
Crassula 'Morgan's Beauty'
Crassula acinaciformis Schinz 1894
Crassula alpestris Thunberg 1778
Crassula alstonii Marloth 1910
Crassula ammophila Toelken 1975
Crassula arborescens (Miller) Willdenow
Crassula barbata Thunberg 1778
Crassula barklyi N.E. Brown 1906
Crassula columella Marloth & Schönland 1929
Crassula deceptor Schönland & Baker f. 1902
Crassula elegans ssp. elegans Schönland & Baker.f.
Crassula falcata J.C.Wendland
Crassula fragarioides van Jaarsveld & Helme 2011
Crassula mesembryanthemoides Dinter 1919
Crassula muscosa Thunberg
Crassula ovata Druce 1917
Crassula plegmatoides Friedrich 1967
Crassula portulacea Lamarck
Crassula pyramidalis Thunberg 1778
Crassula rupestris Thunberg 1778
Crassula rupestris ssp. commutata (Friedrich) Toelken 1975
Crassula rupestris ssp. marnieriana (H. Huber & H. Jacobsen) Toelken 1975
Crassula rupestris ssp. rupestris Thunberg 1778
Crassula sarcocaulis Ecklon & Zeyher 1837
Crassula susannae Rauh & Friedrich 1962
Crassula tillaea Lester-Garland 1903
Crassula vaillantii (Willdenow) Roth 1827